require SL::DB::Default;
my $defaults = SL::DB::Default->get;
$number_range_column = 'articlenumber' if $number_range_column eq 'assemblynumber' and length($defaults->$number_range_column) < 1;
- my $sequence = SL::PrefixedNumber->new(number => $defaults->$number_range_column);
+ my $sequence = SL::PrefixedNumber->new(number => ($defaults->$number_range_column || 1));
$sequence->set_to_max(@numbers) if !$fill_holes_in_range;